BRAF V600E mutation analysis of liquid-based preparation- processed fine needle aspiration sample improves the diagnostic rate of papillary thyroid carcinoma

Hyeyoon Chang, Hyunjoo Lee, SunOch Yoon, Hankyeom Kim, Aeree Kim, Baek Hui Kim

Research output: Contribution to journalArticle

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Abstract

Early detection and diagnosis of papillary thyroid carcinoma are important for successful management of patients. Liquid-based preparations (Thinprep) of fine needle aspirations from thyroid nodules are now widely used and are replacing conventional smears because residual samples can be used for ancillary tests. Detection of the BRAF V600E mutation in cytology specimens could aid in the diagnosis of papillary thyroid carcinoma. We, therefore, analyzed the cytologic features and BRAF V600E mutation status of thyroid liquid-based preparation-fine needle aspiration samples. A total of 191 histologically confirmed thyroid liquid-based preparation-fine needle aspiration specimens were selected. We analyzed cytomorphological features and BRAF V600E mutation status in both liquid-based preparation-fine needle aspiration samples and the corresponding formalin-fixed, paraffin-embedded tissues. The Seeplex BRAF ACE detection kit (Seoul, Korea), melting curve analysis with SYBR green, and sequencing analysis were used to detect BRAF V600E mutations. Of 191 patients, 126 had histologically confirmed papillary thyroid carcinoma, whereas the remaining 65 lesions were benign lesions and carcinomas of other types. The sensitivity of liquid-based preparation alone for diagnosis of papillary thyroid carcinoma was 71.4%. When BRAF V600E mutation analyses results were considered in conjunction with the cytologic diagnosis, the diagnostic sensitivity for detecting papillary thyroid carcinoma increased to 84.9% regardless of the method used to detect BRAF mutations. BRAF V600E mutation analysis using residual liquid-based preparation cytologic samples is, therefore, a powerful additional diagnostic tool for diagnosis of papillary thyroid carcinoma.

Original languageEnglish
Pages (from-to)89-95
Number of pages7
JournalHuman Pathology
Volume43
Issue number1
DOIs
Publication statusPublished - 2012 Jan 1

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Fine Needle Biopsy
Mutation
Thyroid Gland
Thyroid Nodule
Korea
Papillary Thyroid cancer
Paraffin
Formaldehyde
Freezing
Cell Biology
Early Diagnosis
Carcinoma

All Science Journal Classification (ASJC) codes

  • Pathology and Forensic Medicine

Cite this

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title = "BRAF V600E mutation analysis of liquid-based preparation- processed fine needle aspiration sample improves the diagnostic rate of papillary thyroid carcinoma",
abstract = "Early detection and diagnosis of papillary thyroid carcinoma are important for successful management of patients. Liquid-based preparations (Thinprep) of fine needle aspirations from thyroid nodules are now widely used and are replacing conventional smears because residual samples can be used for ancillary tests. Detection of the BRAF V600E mutation in cytology specimens could aid in the diagnosis of papillary thyroid carcinoma. We, therefore, analyzed the cytologic features and BRAF V600E mutation status of thyroid liquid-based preparation-fine needle aspiration samples. A total of 191 histologically confirmed thyroid liquid-based preparation-fine needle aspiration specimens were selected. We analyzed cytomorphological features and BRAF V600E mutation status in both liquid-based preparation-fine needle aspiration samples and the corresponding formalin-fixed, paraffin-embedded tissues. The Seeplex BRAF ACE detection kit (Seoul, Korea), melting curve analysis with SYBR green, and sequencing analysis were used to detect BRAF V600E mutations. Of 191 patients, 126 had histologically confirmed papillary thyroid carcinoma, whereas the remaining 65 lesions were benign lesions and carcinomas of other types. The sensitivity of liquid-based preparation alone for diagnosis of papillary thyroid carcinoma was 71.4{\%}. When BRAF V600E mutation analyses results were considered in conjunction with the cytologic diagnosis, the diagnostic sensitivity for detecting papillary thyroid carcinoma increased to 84.9{\%} regardless of the method used to detect BRAF mutations. BRAF V600E mutation analysis using residual liquid-based preparation cytologic samples is, therefore, a powerful additional diagnostic tool for diagnosis of papillary thyroid carcinoma.",
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BRAF V600E mutation analysis of liquid-based preparation- processed fine needle aspiration sample improves the diagnostic rate of papillary thyroid carcinoma . / Chang, Hyeyoon; Lee, Hyunjoo; Yoon, SunOch; Kim, Hankyeom; Kim, Aeree; Kim, Baek Hui.

In: Human Pathology, Vol. 43, No. 1, 01.01.2012, p. 89-95.

Research output: Contribution to journalArticle

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